package org.dept.controller;


import org.dept.pojo.Dept;
import org.dept.service.DeptService;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import java.util.List;

@RestController
public class DeptController {
    @Resource
    private DeptService deptService;

    //获取一些配置的信息，得到具体的微服务
    @Resource
    private DiscoveryClient client;

    @PostMapping("/dept/add")
    public Object add(Dept dept){
        return deptService.addDept(dept);
    }

    @GetMapping("/dept/get/{id}")
    public Dept select(@PathVariable("id") int id){
        return deptService.select(id);
    }

    @GetMapping("/dept/dList")
    public List<Dept> dList(){
        return deptService.dList();
    }

    //注册进来的微服务，获取一些消息
    @GetMapping("dept/discovery")
    public Object discovery(){
        //获取微服务列表的清单
        List<String> services=client.getServices();
        System.out.println("discovery=>services:"+services);

        //得到一个具体的微服务信息，通过具体的微服务id.applicationName
        List<ServiceInstance> instances = client.getInstances("PROVIDER-DEPT");

        for (ServiceInstance instance:instances){
            System.out.println(instance.getHost()
                    +"\t"+instance.getPort()
                    +"\t"+instance.getUri()
                    +"\t"+instance.getServiceId());
        }
        return this.client;

    }
}
